Piptanthocereus jamacaru var. glauca (Ladenberg) Riccob. in Boll. Reale Orto Bot. Palermo 8: 231. 1909
Piptanthocereus jamacaru var. glauca in Boll. Reale Orto Bot. Palermo 8: 231. 1909
is new combination for Cereus jamacaru var. glaucus in Monatsschr. Kakteenk. 3: 70. 1893